Frequencies for first 10,000 rows of rx6v3c3 variable in nhamcsed2013 dataset :

   For RX6, |
 level 3 of |
MULTUM drug |
category #3 |
  (detailed |
     level) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,967       99.67       99.67
        197 |         16        0.16       99.83
        203 |         16        0.16       99.99
        204 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016